Home / 125,161.83-186,626.25-111,252.51

Finding the Fourth Proportional to 125,161.83, 186,626.25 and 111,252.51

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Solution

The fourth proportional to 125,161.83, 186,626.25 and 111,252.51 is: 165,886.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,161.83 : 186,626.25 = 111,252.51 : x
  2. Step 2: Convert to fraction form
    125,161.83/186,626.25 = 111,252.51/x
  3. Step 3: Cross multiply
    125,161.83x = 186,626.25 × 111,252.51
  4. Step 4: Simplify right side
    125,161.83x = 20,762,638,744.39
  5. Step 5: Solve for x
    x = 20,762,638,744.39/125,161.83
  6. Step 6: Final answer
    x = 165,886.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.